Can you write down eight eights so that they add up to one thousand?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

How many times do a clock's hands overlap in a day ?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

How do you go from 98 to 720 using just one letter?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Can you count the number of matches in the picture below ?

The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?